linux-kernel - RE: [PATCH v4] tty: samsung_tty: 32-bit access for TX/RX hold registers

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Date:   Mon, 6 Apr 2020 06:35:46 +0900
From:   "Hyunki Koo" <hyunki00.koo@...sung.com>
To:     "'Krzysztof Kozlowski'" <krzk@...nel.org>
Cc:     <gregkh@...uxfoundation.org>, "'Kukjin Kim'" <kgene@...nel.org>,
        "'Jiri Slaby'" <jslaby@...e.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-samsung-soc@...r.kernel.org>,
        <linux-serial@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH v4] tty: samsung_tty: 32-bit access for TX/RX hold
 registers

On Fri, Apr 03, 2020 at 9:00: 10PM +0900, Krzysztof Kozlowski wrote:
> On Fri, Apr 03, 2020 at 08:15:10PM +0900, Hyunki Koo wrote:
> > Support 32-bit access for the TX/RX hold registers UTXH and URXH.
> >
> > This is required for some newer SoCs.
> >
> > Signed-off-by: Hyunki Koo <hyunki00.koo@...sung.com>
> > ---
> > v2:
> > line 954 : change rd_regl to rd_reg in for backward compatibility.
> 
> I did not see any change around line 954 in v1... so what was it?
954  line  is changed like below.
V1 : rd_regb --> rd_regl : we thought, this register need to change to 
V2: rd_regl --> rd_reg : we discuss internally, and 
I decided not to change  to existing devices for backward compatibility.
So we changed to rd_reg.
> 
> Rest looks good for me, although you should address Greg's comments.
> 
> Reviewed-by: Krzysztof Kozlowski <krzk@...nel.org> Tested on Odroid
> HC1 (Exynos5422):
> Tested-by: Krzysztof Kozlowski <krzk@...nel.org>
> 
> Best regards,
> Krzysztof